Mining
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0Cerro Corona
The Cerro Corona Mine is located within a mineral rich trend in the Hualgayoc mining district of the Andes mountain range and is owned and operated by Gold Fields, one of the world’s largest gold producers. When completed, Cerro Corona will be a single surface mine producing approximately 91 million tons of ore mined over […]
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0Gil Mine Project Area Expansion and Groundwater Interception System Evaluation
MWH succeeded in the acquisition of the FGMI Pre-feasibility (PFS) and Groundwater Interception System Evaluation contracts. The PFS work was initiated during the summer and fall of 2013 and provided surface and groundwater hydrological assessments for a large-scale gold mine near Fairbanks, Alaska.
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0Holden Mine CERCLA Remedial Design/Remedial Action
MWH is the Engineer of Record for this world class mine reclamation project providing environmental management, detailed design and construction oversight services. The Holden Copper Mine is a multi-year $500 million legacy mine reclamation project currently underway in the northwest United States.
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Neutralization Pond Optimization at a Zinc Smelter in Belgium
Environmentally Sound Solutions to Meet Future Capacity MWH completed a feasibility study, prepared a conceptual design and detailed design to optimize the storage capacity of a neutralization pond for future disposal of tailing material at a zinc processing plant in northeast Belgium.
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0Reclamation at an Inactive Copper Mine
MWH was responsible for the tailing storage facility reclamation design and construction quality assurance (CQA) of an inactive copper mine in Arizona. MWH worked closely with the client to develop innovative strategies for the reclamation of two tailing storage facilities at the project site. The overall objective of the project was to create and sustain […]
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Removal Action at an Historic Uranium Mine
MWH was responsible for the design and construction oversight for a removal action at an historic underground uranium mine in Cibola County, New Mexico. The mine is located on U.S. Forest Service property in an area with limited use for recreation and cattle grazing. The design and construction was performed in accordance with a Unilateral […]
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Rosia Montana Gold Mine
MWH provided the planning, permitting, and infrastructure engineering for development of a new gold mine in northwest Romania. The project includes the following scope of work: A 185-meter-high tailing dam A 30-meter-high water management dam The fresh water supply development to the site All access and construction roads for facility development Tailing distribution and water […]
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Tailing Pond Storage Optimization
MWH completed a feasibility study, prepared a conceptual design and detailed design to optimize the storage capacity of a neutralization pond for future disposal of tailings and wastes at a zinc processing plant in northeast Belgium.